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Assertion: Genetic code shows code in mR...

Assertion: Genetic code shows code in mRNA not in DNA.
Reason: DNA is present inside the nucleus and code is read by mRNA inside the cell.

A

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B

If both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.

C

If Assertion is true but the Reason is false.

D

If both Assertion and Reasom are false.

Text Solution

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The correct Answer is:
A
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ICSE-MOLECULAR BASIS OF INHERITANCE-OBJECTIVE TYPE QUESTIONS (ASSERTION AND REASON TYPE QUESTION )
  1. Assertion: The ability of certain DNA sequence in the genome to move f...

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  2. Assertion: Genetic code shows code in mRNA not in DNA. Reason: DNA i...

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  3. Assertion: When Trytophan is present the repressor is unable to bind t...

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  4. Assertion: Constitutive genes are also known as house keeping genes. ...

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  5. Assertion: Few of repetitive sequence are called jumping genes. Reas...

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  6. Assertion: DNA molecule acts as a template for synthesis of both RNA a...

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  7. Assertion: Plasmids are being widely used as vehicle DNA. Reason: T...

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  8. Assertion: The DNA contents are usually constant in a given species. ...

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  9. Assertion: For DNA replication RNA primer is needed. Reason: Synthes...

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  10. Assertion: Guanine cannot pair with cytosine. Reason: Guanine and cy...

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  11. Assertion: The first codon discovered by Nirenberg and Matthaei was UU...

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  12. Assertion: Replication of DNA is perfect. Reason: Defect in DNA spoi...

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  13. Assertion: Temin modified Crick's 'central dogma' to 'central dogma re...

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  14. [A]: The genetic code is degenerate. [R]: Because the most amino ac...

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  15. Assertion: An amino acid in polypeptide chain is not altered due to ch...

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  16. Assertion: Extranuclear DNA occurs in the cytoplasmic matrix. Reason...

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  17. Assertion: Mitochondrial DNA is similar to prokaryotic DNA. Reason: ...

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  18. Assertion: A single mRNA strand is capable of forming a number of diff...

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  19. Assertion: lonising radiations are harmful for the living organisms. ...

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  20. Assertion: Adenine cannot pair with cytosine. Reason: Adenine and cy...

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